# Q vs Linkself

The clearest difference is in-app purchases: Q at none against Linkself's 4. Q also leads on iOS requirement (9.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Linkself sells 4 one-off in-app purchases. Q asks for nothing beyond the download.

## The numbers

| Metric | Q | Linkself |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Free | — |
| Size | 26 MB | 34 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Guildford](https://appshunter.io/developer/1770445601) | [HK NOOPSYCHE CO., LIMITED](https://appshunter.io/developer/1711141156) |

## What reviewers say

### Q

[App page](https://appshunter.io/ios/app/q-tuning/id1176525111)

Enhance your vehicle's performance, power, and fuel efficiency with custom ECU maps. This service offers a global network of dealers for professional remapping and chip tuning, without altering hardware.

**Highlights:** Increased power and torque, Improved fuel MPG, Custom ECU maps, Global dealer network, No hardware changes, Return to original settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Linkself

[App page](https://appshunter.io/ios/app/linkself/id6468977025)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0.99 | $0.99 | one-time |
| 4.99 | $4.99 | one-time |
| 9.99 | $9.99 | one-time |
| 14.99 | $14.99 | one-time |


## Frequently asked questions

### Is Q free?

Q is free to download, with no in-app purchases.

### Is Linkself free?

Linkself is free to download, with in-app purchases available.

### Do Q or Linkself have ads?

Neither Q nor Linkself shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*